diff options
| author | James Bottomley <jejb@titanic.(none)> | 2005-08-28 11:18:35 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@titanic.(none)> | 2005-08-28 11:18:35 -0500 |
| commit | 7a93aef7fbac6f4db40b6fec5c0c6b654ae7a93c (patch) | |
| tree | 4cd7aae38012dfc1ff6c62be20ef8840e56d8383 /drivers/scsi/aacraid/commsup.c | |
| parent | 392160335c798bbe94ab3aae6ea0c85d32b81bbc (diff) | |
| parent | 8224bfa84d510630b40ea460b2bb380c91acb8ae (diff) | |
Merge HEAD from ../scsi-misc-2.6-tmp
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 5322865942e..a1d303f0348 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -254,6 +254,7 @@ static void fib_dealloc(struct fib * fibptr) static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entry, u32 * index, unsigned long *nonotify) { struct aac_queue * q; + unsigned long idx; /* * All of the queues wrap when they reach the end, so we check @@ -263,10 +264,23 @@ static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entr */ q = &dev->queues->queue[qid]; - - *index = le32_to_cpu(*(q->headers.producer)); - if ((*index - 2) == le32_to_cpu(*(q->headers.consumer))) + + idx = *index = le32_to_cpu(*(q->headers.producer)); + /* Interrupt Moderation, only interrupt for first two entries */ + if (idx != le32_to_cpu(*(q->headers.consumer))) { + if (--idx == 0) { + if (qid == AdapHighCmdQueue) + idx = ADAP_HIGH_CMD_ENTRIES; + else if (qid == AdapNormCmdQueue) + idx = ADAP_NORM_CMD_ENTRIES; + else if (qid == AdapHighRespQueue) + idx = ADAP_HIGH_RESP_ENTRIES; + else if (qid == AdapNormRespQueue) + idx = ADAP_NORM_RESP_ENTRIES; + } + if (idx != le32_to_cpu(*(q->headers.consumer))) *nonotify = 1; + } if (qid == AdapHighCmdQueue) { if (*index >= ADAP_HIGH_CMD_ENTRIES) |